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Thread: B20vtec Idling at 4k wtf?

  1. 03-22-2010, 06:35 PM #1
    DaRussian
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    Default B20vtec Idling at 4k wtf?

    I cranked up my b20v and it sputters and puffs and then after you rev it up it stays at about 4k rpm with the throttle body being closed. anybody have any idea what it could be?
    b20b block
    b16a2 head
    p30ecu
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    Originally Posted by MMBmomoney
    i changed the vtec solenoid and nothing changed. in another post i saw "vtec fluid" where is that located and how do i check it?
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  2. 03-22-2010, 06:55 PM #2
    SLow_POke
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    didnt you post a few days ago? running strong.?

    anyway is ur gas pedal sticking try kicking it back, check if u have the idle screw on right on ur TB.
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  3. 03-22-2010, 08:22 PM #3
    solblu
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    make sure the throttle cable moves freely and not too tight, keeping the TB open.

    Also try checking for any vacuum leaks on the intake manifold.
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  4. 03-22-2010, 09:00 PM #4
    DaRussian
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    throttle being closed all the way it idles at 4
    VQ Power ------- SHIFT_W.O.T <br>
    03 Maxima 6spd VLSD -- 1/4 mile -- 14.12 @ 96.3
    92 eg Hatch b20vtec -- 1/4 mile -- 13.6

    Originally Posted by MMBmomoney
    i changed the vtec solenoid and nothing changed. in another post i saw "vtec fluid" where is that located and how do i check it?
    .
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  5. 03-22-2010, 09:07 PM #5
    SLow_POke
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    IMO one of a few things. your Idle screw is either way off or not there at all. MAJOR vac leak, busted Tb gasket
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  6. 03-22-2010, 09:34 PM #6
    DaRussian
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    yea i just thought about it, it has to be getting somewhere if the butterflies are closed. Thanks for the help im gonna check it out tomorrow
    VQ Power ------- SHIFT_W.O.T <br>
    03 Maxima 6spd VLSD -- 1/4 mile -- 14.12 @ 96.3
    92 eg Hatch b20vtec -- 1/4 mile -- 13.6

    Originally Posted by MMBmomoney
    i changed the vtec solenoid and nothing changed. in another post i saw "vtec fluid" where is that located and how do i check it?
    .
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  7. 03-24-2010, 04:22 PM #7
    B20B!Ithink?
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    Quote Originally Posted by SLow_POke View Post
    didnt you post a few days ago? running strong.?

    anyway is ur gas pedal sticking try kicking it back, check if u have the idle screw on right on ur TB.
    LOL naw that was me dude and i had a small vacuum leak that caused mine to idle at 2500 it was the intake mani gasket so check the throttle cable or for vacuum leaks just spray starter fluid everywhere!
    My line of work.
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  8. 03-30-2010, 05:47 PM #8
    RHD_Joe
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    vacum leak?? thats what it sounds like
    PG+K
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  9. 03-30-2010, 07:45 PM #9
    JDM onlyy
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    Quote Originally Posted by MYEK3 View Post
    vacum leak?? thats what it sounds like
    x2 but a very big one. sounds like when I left the brake booster hose off and I started the car one time....
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